Riot police used smoke bombs and stun grenades – and also batons and fists – in clashes with demonstrators in Kyiv on the night of Sunday, December 1.
At least 165 protesters were reportedly injured in violence on the fringes of a mass anti-government rally held in the Ukrainian capital.
The Ukrainian Interior Ministry said that radical group Bratstvo had called on protesters to attack the police during a demonstration outside the offices of President Victor Yanukovich.
The government said 75 police officers had been injured in Sunday’s violence.
Read what YOU have been telling us about the Ukrainian protests here